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| // RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_fixtfti
//===--------------- fixtfti_test.c - Test __fixtfti ----------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file tests __fixtfti for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
#if __LDBL_MANT_DIG__ == 113
#include "fp_test.h"
ti_int __fixtfti(long double a);
int test__fixtfti(long double a, ti_int expected)
{
ti_int x = __fixtfti(a);
int ret = (x != expected);
if (ret)
{
twords xt;
xt.all = x;
twords expectedt;
expectedt.all = expected;
printf("error in test__fixtfti(%.20Lf) = 0x%.16llX%.16llX, "
"expected 0x%.16llX%.16llX\n",
a, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
}
return ret;
}
char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
#endif
int main()
{
#if __LDBL_MANT_DIG__ == 113
if (test__fixtfti(makeInf128(), make_ti(0x7fffffffffffffffLL,
0xffffffffffffffffLL)))
return 1;
if (test__fixtfti(0, make_ti(0x0LL, 0x0LL)))
return 1;
if (test__fixtfti(0x1.23456789abcdefp+5L, make_ti(0x0LL, 0x24LL)))
return 1;
if (test__fixtfti(0x1.23456789abcdefp-3L, make_ti(0x0LL, 0x0LL)))
return 1;
if (test__fixtfti(0x1.23456789abcdef12345678p+20L,
make_ti(0x0LL, 0x123456LL)))
return 1;
if (test__fixtfti(0x1.23456789abcdef123456789abcdep+112L,
make_ti(0x123456789abcdLL, 0xef123456789abcdeLL)))
return 1;
if (test__fixtfti(-0x1.23456789abcdef123456789abcdep+112L,
make_ti(0xFFFEDCBA98765432LL, 0x10EDCBA987654322LL)))
return 1;
if (test__fixtfti(0x1.23456789abcdefp+256L, make_ti(0x7fffffffffffffffLL,
0xffffffffffffffffLL)))
return 1;
if (test__fixtfti(-0x1.23456789abcdefp+20L, make_ti(0xffffffffffffffffLL,
0xffffffffffedcbaaLL)))
return 1;
if (test__fixtfti(-0x1.23456789abcdefp+256L, make_ti(0x8000000000000000LL,
0x0)))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}
|